Lexus GS 2008–2025 — technical service bulletin
Bulletin L-SB-0032-25 · NHTSA communication 11021730 · issued Jul 30, 2025
Technical service bulletin
communication type
Engine
component
2008–2025
model years
35
vehicle entries
Official summary
Some 2016 – 2020 model year GS F, 2008 – 2014 model year IS F, 2022 – 2025 model year IS 500, 2018 – 2025 model year LC 500, 2021 – 2025 model year LC 500c, and 2015 – 2025 model year RC F vehicles with 2UR-GSE engines may exhibit a MIL ON condition with one or more of the following Diagnostic Trouble Codes (DTCs): •P0505 – Idle Control System •P2111 – Throttle Actuator Control System – Stuck Open The throttle body assembly with motor and ventilation hoses no. 2 and no. 3 have been modified to address these conditions.
Vehicles covered
- 2016 Lexus GS
- 2017 Lexus GS
- 2018 Lexus GS
- 2019 Lexus GS
- 2020 Lexus GS
- 2008 Lexus IS
- 2009 Lexus IS
- 2010 Lexus IS
- 2011 Lexus IS
- 2012 Lexus IS
- 2013 Lexus IS
- 2014 Lexus IS
- 2022 Lexus IS
- 2023 Lexus IS
- 2024 Lexus IS
- 2025 Lexus IS
- 2018 Lexus LC
- 2019 Lexus LC
- 2020 Lexus LC
- 2021 Lexus LC
- 2022 Lexus LC
- 2023 Lexus LC
- 2024 Lexus LC
- 2025 Lexus LC
- 2015 Lexus RC
- 2016 Lexus RC
- 2017 Lexus RC
- 2018 Lexus RC
- 2019 Lexus RC
- 2020 Lexus RC
- 2021 Lexus RC
- 2022 Lexus RC
- 2023 Lexus RC
- 2024 Lexus RC
- 2025 Lexus RC
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.